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Expand visualization for snapshots when they fail

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This commit is contained in:
Lucien Greathouse 2019-03-12 18:06:42 -07:00
parent 007ab077eb
commit 80a8e0e985
5 changed files with 96 additions and 20 deletions
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50
server/tests/snapshots.rs
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@ -1,6 +1,7 @@
mod test_util;
use std::{
collections::HashMap,
fs,
path::{Path, PathBuf},
sync::Arc,
@ -17,6 +18,7 @@ use librojo::{
project::Project,
live_session::LiveSession,
rbx_snapshot::{SnapshotContext, snapshot_project_tree},
visualize::{VisualizeRbxTree, graphviz_to_svg},
};
use crate::test_util::{
@ -105,10 +107,56 @@ fn tree_step(step: &str, live_session: &LiveSession, source_path: &Path) {
let tree = rbx_session.get_tree();
match read_tree_by_name(source_path, step) {
Some(existing) => match trees_equal(&existing, tree) {
Some(expected) => match trees_equal(&expected, tree) {
Ok(_) => {}
Err(e) => {
error!("Trees at step '{}' were not equal.\n{}", step, e);
let expected_gv = format!("{}", VisualizeRbxTree {
tree: &expected,
metadata: &HashMap::new(),
});
let actual_gv = format!("{}", VisualizeRbxTree {
tree: rbx_session.get_tree(),
metadata: &HashMap::new(),
});
let output_dir = PathBuf::from("failed-snapshots");
fs::create_dir_all(&output_dir)
.expect("Could not create failed-snapshots directory");
let expected_basename = format!("{}-{}-expected", live_session.root_project().name, step);
let actual_basename = format!("{}-{}-actual", live_session.root_project().name, step);
let mut expected_out = output_dir.join(expected_basename);
let mut actual_out = output_dir.join(actual_basename);
match (graphviz_to_svg(&expected_gv), graphviz_to_svg(&actual_gv)) {
(Some(expected_svg), Some(actual_svg)) => {
expected_out.set_extension("svg");
actual_out.set_extension("svg");
fs::write(&expected_out, expected_svg)
.expect("Couldn't write expected SVG");
fs::write(&actual_out, actual_svg)
.expect("Couldn't write actual SVG");
}
_ => {
expected_out.set_extension("gv");
actual_out.set_extension("gv");
fs::write(&expected_out, expected_gv)
.expect("Couldn't write expected GV");
fs::write(&actual_out, actual_gv)
.expect("Couldn't write actual GV");
}
}
error!("Output at {} and {}", expected_out.display(), actual_out.display());
panic!("Tree mismatch at step '{}'", step);
}
}